Case for an electronic device



FIG. 1 is a front perspective view of the case for an electronic device;

FIG. 2 is a left elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a rear elevation view thereof. 

The ornamental design for a case for an electronic device, as shown and described. 